years ago that britain's largest port of anglo- saxon metalwork was found in a field and staff for chyron. they found -- in staffordshire. they found 19 more pieces. jeremy could have a look. >> anglo-saxon treasurer, 90 artifacts dating back some 1400 years. just the latest fine from a location where the huge staffordshire hall was unearthed in three years ago. but why was so much a valuable stuff. in a field near warsaw? -- buried in a field near warsaw? to one theory is someone under threat had to leave town in a hurry. >> you rode away from your house and found a nice, quiet place, a place that you can remember and you come back for it. >> but they never did. >> no. >> the original, finding included 3900 mainly gold and silver items, up 3.3 million pounds worth. experts thought they had recovered everything. it turns out they had missed a bit. the theory at behind why some of the treasure was met -- was left in the ground was that was buried so deep that it was beyond the range of metal detectors. what has changed now that the crown has recently been proud -- been plowed, b